KABUL, March 22 (Xinhua) -- Two personnel of the U.S. army lost their lives in combat operations in Afghanistan on Friday, said a statement of the NATO-led Resolute Support mission released here.

"Two U.S. service members were killed while conducting an operation March 22," the statement said without providing more details.

However, the statement added, "In accordance with U.S. Department of Defense policy, the name of the service members killed in action are being withheld until 24 hours after notification of next of kin is complete."

More than 16,000-strong NATO-led Resolute Support forces with majority of them Americans are stationed in Afghanistan to train, advice and assist Afghan forces in the war on militant groups including the Taliban outfit.